built in presence detector for ceiling

{"cid":"91148999","title":"12Vdc PWM Dimming, Built-in Presence Sensor For Ceiling Light, Support Remote Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/c7\/cf\/7fc2d0cd5a1605fbb1f9a2761670-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Merrytek","Model Number":"MC180D 99 1","Minimum Order Quantity":"100pcs","Delivery Time":"1, Sample and small order: Within 5 working days after receiving your payment. 2, Bulk order: 4-5 weeks after receiving deposit.","Certification":"CE","Place of Origin":"Shenzhen, China","Payment Terms":"T\/T","Supply Ability":"10000 pcs\/month","Packaging Details":"Bubble bag + Clapboard + Carton (K=A)","Rated Voltage":"7.5-12Vdc","Output Signal":"1kHz PWM dimming signal","Working Frequency":"24GHz~24.25GHz\uff0cISM band","Installation Height":"3m (4m Max.)","Working Temperature":"Built-in: -25~60\u2103","Lifetime":"5 years warranty @Ta"}}

{"cid":"91224765","title":"MTN630819 SpaceLogic KNX Ceiling Presence Detector Built-in Coupler White","imgUrl":"https:\/\/img.chinax.com\/nimg\/eb\/ea\/d30f8b5dfadf3afc5508f73b8cf8-200x200-1.jpg","attrs":{"Brand Name":"Schneider","Model Number":"MTN630819","Minimum Order Quantity":"5","Delivery Time":"7 Days","Certification":"CE RoHS","Place of Origin":"EU","Payment Terms":"T\/T,Western Union","Packaging Details":"Carton"}}